*{
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
} 
header .er{
    margin-left: 11px;
}
main .shop .col-md-4 p{
    margin: auto;
}
main h2{
    color: #195EFF;
}
.top{ 
    background: #EBEBEB !important;
    border-bottom: 1px solid #E1E0E0;
}
nav{
    background: #EBEBEB !important;
}
nav button:nth-child(2){
    margin-left: -9px;
    border: 1px solid #D1C9C9;
    color: #D1C9C9;
} 
nav input:first-child,nav button:nth-child(2){
    border-radius: 0px !important;
}
/*.logo img{
    margin-top: 14px;
    width: 180px;
}
 

nav a{
    font-size: 13.5px;
}
nav button:nth-child(3){
    margin-left: 60px;
}
nav button:nth-child(3),nav button:nth-child(4){
        height: 33px;
    line-height: 20px;
}
*/
.container{
    width: 100%;
}
.list{
    text-align: center;
    padding-top: 120px;
}
.list p{
    font-size: 14px;
    color:cadetblue;
}
.list h1{
    font-size: 33px;
}
.list .video a{
    font-size: 26px;
    font-weight: 800;
}
.list .video a img{
    margin-top: -6px;
}
.list .index a{
    display: inline-block;
    margin: 4px;
    height: 8px;
    width: 8px;
    border-radius: 4px;
    text-decoration: none;
    background: #bdbdbd;
}
.example{
    width: 100%;
    text-align: center;
    border-bottom: 1px solid #E1E0E0;
} 
.example a{
    width: 100%;
    display: block;
}
.example a img{
    width: 100%;
}
main .ro{
    
    padding-top: 180px;
    border-bottom: 1px solid #E1E0E0;

}
main .ro .container{
    position: relative;
}


/*
@media (max-width:800px) {
    nav{
        margin-left: 30%;
    }
}
@media (max-width:400px) {
    nav{
        margin-left: 20%;
    }
}
*/
/*
.ro .bann{
    width: 100%;
    text-align: right;
    position: absolute;
    z-index: 111111;
}
.ro .bann p{
    font-size: 14px;
}
.ro .banner img{
    width: 100%;
}
*/
.ro .bann{
    width: 100%;
    text-align: right;
    position: absolute;
    z-index: 111111;
}
.ro .bann p{
    font-size: 14px;
}
.ro .banner img{
    width: 100%;
}
@media (max-width:600px) {
    main .ro{ 
        padding: 0; 
    }
    .ro .bann{
        text-align: center !important;
        margin-top: 30px;
        position: relative;
        
    }
/*
    .ro .banner{
        padding-top: 236px !important;
    } 
*/
}
.chanpin{
    text-align: center;
    border-bottom: 1px solid #E1E0E0;
}
.chanpin h3{
    margin: 40px 0;
}
.chanpin .col-md-3{
    text-align: center; 
    
}
.shop .col-md-4 .card{
/*
    box-sizing: border-box !important;
    border: 1px solid #E1E0E0;
*/
    height: 450px;
    text-align: center; 
    
    
}
.shop .col-md-4 a{
    display: block;
    color: white;
    font-size: 20px;
    line-height: 50px;
    width: 100%;
    height: 50px;
    background: #48B7DB;
}
.shop .col-md-4 p{
    width: 90%;
    font-size: 18px;
}
.shop .card img{
    display: block; 
    margin: auto;
}
.zanzhu h3{
    text-align: center;
}
.zanzhu .box{
    text-align: left;
    padding: 0 18px;
    box-sizing: border-box;
}
.zanzhu .box a{
    display: block;
}
.zanzhu .box a:hover{
    text-decoration: none;
}
.zanzhu .box img{
    margin: auto;
    display: block;
}
.zanzhu button{
    display: block;
    margin: auto;
    margin-top: 60px;
    
}
footer{
    border-top: 1px solid #E1E0E0;
    margin-top: 50px;
}
footer a{
    color: cadetblue;
    font-size: 14px;
    padding-bottom: 60px;
}
@media (max-width:600px) {
    header .re{
        width: 75%;
    }
    nav button:nth-child(2){
        margin-left: 0px;
    }
    
}